package com.md24housecall.view;


import com.md24housecall.activity.R;

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;

public class PagingListHeaderView extends LinearLayout {
	private LinearLayout	mContainer;
	private ImageView		mArrowImageView;
	private ProgressBar		mProgressBar;
	private TextView		mHintTextView;
	private TextView		mHeaderTimePrefixView;
	private TextView		mHeaderTimeView;
	private int				mState					= PagingListHeaderView.STATE_NORMAL;

	private Animation		mRotateUpAnim;
	private Animation		mRotateDownAnim;

	private final int		ROTATE_ANIM_DURATION	= 180;

	public final static int	STATE_NORMAL			= 0;
	public final static int	STATE_READY				= 1;
	public final static int	STATE_REFRESHING		= 2;

	public PagingListHeaderView(Context context) {
		super(context);
		initView(context);
	}

	/**
	 * @param context
	 * @param attrs
	 */
	public PagingListHeaderView(Context context, AttributeSet attrs) {
		super(context, attrs);
		initView(context);
	}

	public int getVisiableHeight() {
		return mContainer.getHeight();
	}

	private void initView(Context context) {
		LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(android.view.ViewGroup.LayoutParams.MATCH_PARENT, 0);
		mContainer = (LinearLayout) LayoutInflater.from(context).inflate(R.layout.paging_list_header, null);
		addView(mContainer, lp);
		setGravity(Gravity.BOTTOM);

		mArrowImageView = (ImageView) findViewById(R.id.xlistview_header_arrow);
		mHintTextView = (TextView) findViewById(R.id.xlistview_header_hint_textview);
		mHeaderTimeView = (TextView) findViewById(R.id.xlistview_header_time);
		mHeaderTimePrefixView = (TextView) findViewById(R.id.xlistview_header_time_prefix);
		mProgressBar = (ProgressBar) findViewById(R.id.xlistview_header_progressbar);

		mRotateUpAnim = new RotateAnimation(0.0f, -180.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
		mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
		mRotateUpAnim.setFillAfter(true);
		mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
		mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
		mRotateDownAnim.setFillAfter(true);
	}

	public void setState(int state) {
		if (state == mState) {
			return;
		}

		if (state == PagingListHeaderView.STATE_REFRESHING) {
			mArrowImageView.clearAnimation();
			mArrowImageView.setVisibility(View.GONE);
			mProgressBar.setVisibility(View.VISIBLE);
			mHeaderTimeView.setVisibility(View.GONE);
			mHeaderTimePrefixView.setVisibility(View.GONE);
		} else {
			mArrowImageView.setVisibility(View.VISIBLE);
			mProgressBar.setVisibility(View.GONE);
			mHeaderTimeView.setVisibility(View.VISIBLE);
			mHeaderTimePrefixView.setVisibility(View.VISIBLE);
		}

		switch (state) {
			case STATE_NORMAL:
				if (mState == PagingListHeaderView.STATE_READY) {
					mArrowImageView.startAnimation(mRotateDownAnim);
				}
				if (mState == PagingListHeaderView.STATE_REFRESHING) {
					mArrowImageView.clearAnimation();
				}
				mHintTextView.setText(R.string.xlistview_header_hint_normal);
				break;
			case STATE_READY:
				if (mState != PagingListHeaderView.STATE_READY) {
					mArrowImageView.clearAnimation();
					mArrowImageView.startAnimation(mRotateUpAnim);
					mHintTextView.setText(R.string.xlistview_header_hint_ready);
				}
				break;
			case STATE_REFRESHING:
				mHintTextView.setText(R.string.xlistview_header_hint_loading);
				break;
			default:
		}

		mState = state;
	}

	public void setVisiableHeight(int height) {
		if (height < 0) {
			height = 0;
		}
		LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mContainer.getLayoutParams();
		lp.height = height;
		mContainer.setLayoutParams(lp);
	}

}
